* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
} 
header {
    background: url(../images/conference.jpg) no-repeat;
    background-size: 100%; 
    box-sizing: border-box;
    background-position-y: -67px;
    padding-bottom: 13%;
} 
header nav {
    height: 100px;
    position: fixed !important;
    transition: all 0.5s;
    z-index: 2222222222; 
}
header nav>a{
    margin-left: 10% !important;
}
header nav button{
    margin-right: 10% !important;
}
@media (max-width:990px) {
    .navbar-collapse {
        background: black;
        width:auto !important;
        padding: 0 10%; 
        margin-top: 25px; 
    } 
    .navbar-toggler{
        background: rgba(253, 253, 253, 0.95); 
    }
    .warp .card h1{
        font-size: 1.5rem;
    }
    .btn-primary{
        margin-top: 0px !important;
    }
} 
.ative {
    background: black;
    height: 80px;
} 
header nav a {
    color: white !important;
} 
.navbar-light .navbar-brand {
    color: rgba(0, 0, 0, .9);
} 
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
} 
.warp .card {
    background: none !important;
    border: none;
} 
.warp .card .card-body {
    margin-top: 12%;
} 
.warp .card h1 {
    color: white;
} 
.warp .card p {
    color: white;
} 
.warp .card a {
    width: 570px;
    height: 50px;
    line-height: 35px;
} 
.lan {
    color: skyblue !important;
} 
nav .collapse {
    font-size: 12px;
    transition: all .5s;
    padding-right: 10%;
} 
@media (max-width:600px) {
    header {
        height: 100vh;
        background-position: center;
        background-size: cover;
    }
    .warp .card a {
        width: 100%;
    }
    .warp .card .card-body{
        margin-top: 67%;
    }
    .main .row .col-md-12 h2{
        padding: 0;
    }
} 
.main .row .col-md-12 h2{
/*    font-size:30px;*/
/*    width: 500px;*/
    padding: 0 22%;
    margin: auto;
    font-weight: 400;
}


@media (max-width:600px) {
    .main .row .col-md-12 h2{
        padding: 0;
    }
}
.main .row .col-md-4 .box img{
    width: 100%;
}
.main .row .col-md-4 .box h3{
    font-size: 16px !important;
    font-weight: 400;
    
}
.main .row .col-md-4 p{
    font-size: 15px;
    color: #888;
}
.main .laracon{
    margin-top: 100px;
}
.main .laracon .row{
    display: flex;
    align-items: center;
    flex-direction: row;
}
.main .laracon .col-md-8 img{
    width: 100%;
}
.main .laracon .col-md-4 a{
    padding: 0 40px;
    line-height: 50px;
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    border: medium none;
    text-transform: uppercase;
    letter-spacing: 0;
    border-radius: 0;
    text-align: left;
    background-color: #00bcd4;
    transition: all 0.5s;
}
.main .laracon .col-md-4 button{
    background: #0070FF;
    color: white;
    outline: none;
    border: none;
    padding: 6px 15px;
    border-radius: 6px;
    display: none;
}
.main .laracon .col-md-4 a:hover{
    background: #000;
    color: #fff;
    text-decoration: none;
}
@media (max-width:1000px) {
    .main .laracon .col-md-4 a{ 
        display: none;
    }
    .main .laracon .col-md-4 button{
        display: block;
    }
}
@media (max-width:760px){
    .main .laracon .col-md-4{
        margin-top: 40px;
    }
    .main .laracon .col-md-4 a{ 
        display: inline-block;
    }
    .main .laracon .col-md-4 button{
        display: none;
    }
}  
.stre{
    margin-top: 70px;
     background: #333333;
    padding: 150px 0;
} 
.stre h2{
    color: white;
}
.stre p{
    color: bisque;
}
.stre a{ 
    display: inline-block;
    width: auto;
    font-weight: bold;
    background: #00bcd4;
    font-size: 14px;
    line-height: 60px;
    padding: 0 30px;
    letter-spacing: 1px;
    color: #fff;
}
.stre a:hover{
    text-decoration: none;
}
@media (max-width:600px) {
    .stre img{
        width: 100%;
    }
}
@media (max-width:320px) {
    .stre a{
        padding: 0;
    }
}
footer{
    color: #999;
    font-size: 13px;
    padding: 100px 0;
    background: #222;
}
footer a{
    color: #999;
}
footer a:hover{
    text-decoration: none;
}
footer h4, footer h6{
    color: white;
}
footer .col-md-4:nth-child(2){
    padding-top: 8px;
}

footer .col-md-4 i{
    font-size: 18px;
    color: #0692CA;
}
footer .col-md-4 i:last-child{
    margin-left: 10px;
}